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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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kathxrinx kathxrinx
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6 years ago
Certain soil fungi and actinomycetes are known to produce specialized organic compounds that inhibit or kill other, competing microorganisms in the soil, but so far scientists have not been able to put any of these compounds to practical use.
 
  Indicate whether the statement is true or false

Question 2

Which of the following expressions in kPa is most apt to characterize the gravitational potential of a clay loam surface soil?
 
  A) -3100 B) -30 C) 0 D) +5 E) -5

Question 3

Algae are single-celled plants that function principally as primary producers in the soil ecosystem.
 
  Indicate whether the statement is true or false

Question 4

Suppose leaves containing 1000 kg of carbon fell to the forest floor in a humid temperate environment. After a year or so, how many kg of that carbon would you expect to remain in the soil as microbial biomass and humus?
 
  A) 800 B) 200 C) 10 D) 400 E) 20

Question 5

The polarity of water helps account for the attraction of water molecules for each other.
 
  Indicate whether the statement is true or false
Textbook 
Elements of Nature and Property of Soils

Elements of Nature and Property of Soils


Edition: 3rd
Authors:
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BobbybbbbbBobbybbbbb
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6 years ago
You make an excellent tutor!
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Thanks for your help!!
lubennick
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This calls for a celebration Person Raising Both Hands in Celebration
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